棰樺瀷涓撻
(
鍗佷竷
)
鍦嗛敟鏇茬嚎鐨勬柟绋嬩笌鎬ц川
[
甯堣鑰冪偣
]
鍦嗛敟鏇茬嚎鐨勫畾涔?/p>
(1)
妞渾锛?/p>
|
PF
1
|
锛?/p>
|
PF
2
|
锛?/p>
2
a
(2
a
>|
F
1
F
2
|)
锛?/p>
(2)
鍙屾洸绾匡細
||
PF
1
|
锛?/p>
|
PF
2
||
锛?/p>
2
a
(2
a
<|
F
1
F
2
|)
锛?/p>
(3)
鎶涚墿绾匡細
|
PF
|
锛?/p>
|
PM
|
锛岀偣
F
涓嶅湪鐩寸嚎
l
涓婏紝
PM
鈯?/p>
l
浜?/p>
M
.
[
鍏镐緥
]
(1)(2016路澶╂触楂樿�?/p>
)
宸茬煡鍙屾洸绾?/p>
x
2
a
2
锛?/p>
y
2
b
2
锛?/p>
1(
a
锛?/p>
0
锛?/p>
b
锛?/p>
0)
鐨勭劍璺濅负
2
5
锛屼笖鍙屾洸
绾跨殑涓�鏉℃笎杩戠嚎涓庣洿绾?/p>
2
x
锛?/p>
y
锛?/p>
0
鍨傜洿锛屽垯鍙屾洸绾跨殑鏂圭▼涓?/p>
(
)
A.
x
2
4
锛?/p>
y
2
锛?/p>
1 B
锛?/p>
x
2
锛?/p>
y
2
4
锛?/p>
1
C.
3
x
2
20
锛?/p>
3
y
2
5
锛?/p>
1 D.
3
x
2
5
锛?/p>
3
y
2
20
锛?/p>
1
[
瑙ｆ瀽
]
閫?/p>
A
鐢辩劍璺濅负
2
5
寰?/p>
c
锛?/p>
5.
鍥犱负鍙屾洸绾跨殑涓�鏉℃笎杩戠嚎涓庣洿绾?/p>
2
x
锛?/p>
y
锛?/p>
0
鍨傜洿锛?
鎵�浠?/p>
b
a
锛?/p>
1
2
.
鍙?/p>
c
2
锛?/p>
a
2
锛?/p>
b
2
锛岃В寰?/p>
a
锛?/p>
2
锛?/p>
b
锛?/p>
1
锛屾墍浠ュ弻鏇茬嚎鐨勬柟绋嬩负
x
2
4
锛?/p>
y
2
锛?/p>
1.
(2)(2016路娌堥槼妯℃嫙
)
宸茬煡鎶涚墿绾?/p>
x
2
锛?/p>
4
y
鐨勭劍鐐逛负
F
锛屽噯绾夸负
l
锛?/p>
P
涓烘姏鐗╃嚎涓婁竴鐐癸紝杩?/p>
P
浣?/p>
PA
鈯?/p>
l
浜庣偣
A
锛屽綋鈭?/p>
AFO
锛?/p>
30
掳
(
O
涓哄潗鏍囧師鐐?/p>
)
鏃讹紝
|
PF
|
锛?/p>
________.
[
瑙ｆ瀽
]
娉曚竴锛?/p>
浠?/p>
l
涓?/p>
y
杞寸殑浜ょ偣涓?/p>
B
锛?/p>
鍦?/p>
Rt
鈻?/p>
ABF
涓紝
鈭?/p>
AFB
锛?/p>
30
掳锛?/p>
|
BF
|
锛?/p>
2
锛?/p>
鎵�浠?/p>
|
AB
|
锛?
2
3
3
.
璁?/p>
P
(
x
0
锛?/p>
y
0
)
锛屽垯
x
0
锛澛?/p>
2
3
3
锛屼唬鍏?/p>
x
2
锛?/p>
4
y
涓紝寰?/p>
y
0
锛?/p>
1
3
锛岃�?/p>
|
PF
|
锛?/p>
|
PA
|
锛?/p>
y
0
锛?/p>
1
锛?/p>
4
3
.
娉曚簩锛氬鍥炬墍绀猴紝鈭?/p>
AFO
锛?/p>
30
掳锛屸埓鈭?/p>
PAF
锛?/p>
30
掳锛?/p>
鍙?/p>
|
PA
|
锛?/p>
|
PF
|
锛屸埓鈻?/p>
APF
涓洪《瑙掆垹
APF
锛?/p>
120
掳鐨勭瓑鑵颁笁瑙掑舰锛?/p>
鑰?/p>
|
AF
|
锛?/p>
2
cos 30
掳
锛?/p>
4
3
3
锛屸埓
|
PF
|
锛?/p>
|
AF
|
3
锛?/p>
4
3
.
[
绛旀
]
4
3
[
绫婚閫氭硶
]
姹傝В鍦嗛敟鏇茬嚎鏍囧噯鏂圭▼鐨勬�濊矾鏂规硶
(1)
瀹氬瀷锛屽氨鏄寚瀹氱被鍨嬶紝涔熷氨鏄‘瀹氬渾閿ユ洸绾跨殑鐒︾偣浣嶇疆锛屼粠鑰岃鍑烘爣鍑嗘柟绋嬶紟